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HF54S-A48

The HF54S-A48 is a compact, high-resolution absolute encoder from Mitsubishi Electric's HF series, designed for precision position feedback in servo systems and motion control applications. This battery-less multi-turn encoder provides reliable absolute positioning without maintenance requirements.

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Key Specifications
Type: Absolute encoder (battery-less multi-turn)

Resolution:

Single-turn: 17-bit (131,072 positions/revolution)

Multi-turn: 16-bit (65,536 revolutions)

Output Interface: Bi-directional serial communication (EnDat 2.2 compatible)

Supply Voltage: 5V DC ±5%

Max. Speed: 6000 rpm

Shaft Type: Hollow shaft (10mm diameter)

Environmental Rating: IP65 (dust-proof & oil-resistant)

Operating Temp.: -10°C to +70°C

Mechanical Durability:

Vibration: 98 m/s² (10G)

Shock: 490 m/s² (50G)

Technical Advantages
✔ Maintenance-Free - No battery required for multi-turn data retention
✔ High Accuracy - 17-bit single-turn resolution for precise positioning
✔ Compact Design - Space-saving form factor (54mm flange size)
✔ Robust Construction - IP65 protection for harsh environments
✔ Fast Data Transmission - High-speed serial communication

Compatibility
Designed for Mitsubishi HG-SR/HG-JR servo motors

Works with MR-J4/MR-J5 servo amplifiers

Compatible with MELSEC iQ-R motion control systems

Typical Applications
Industrial robotics

CNC machine tools

Semiconductor equipment

Automated assembly systems

Precision packaging machinery